Big Wash Flood Control

BIG WASH· Beaver, Utah· Built 1961· Earth·
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Big Wash Flood Control is classified as significant hazard in Utah. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length6,465 ft
Dam TypeEarth
Max Storage1.7K acre-ft
Normal Storage325 acre-ft
Drainage Area63 sq mi
Year Completed1961 (65 years old)
NID IDUT00403

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

BEAVER COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Big Wash Flood Control?

Big Wash Flood Control is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Big Wash Flood Control?

Big Wash Flood Control is owned by BEAVER COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Wash Flood Control built?

Big Wash Flood Control was completed in 1961, making it 65 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Big Wash Flood Control?

Big Wash Flood Control serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.